Chii chakaitika kwazviri? Antifreeze

Zvakafanana nemunyu mumugwagwa une aizi, asi mukati meinjini yako.

Paunotanga mota yako mukufa kwechando, kutenderera kwemechani mabasa kunouya kuhupenyu. Masimba akabatanidzwa emabasa aya anoburitsa kupisa kwakakura-kusvika 2800 degrees Fahrenheit (F) mukati mepistons. Saka mira, nekupisa kwese ikoko, sei uchida chinhu chinonzi "antifreeze"?

Zvakanaka, izvo zvatinodaidza kuti antifreeze zvinoshanda kuchengetedza mvura inochengeta injini yako ichitonhorera zvakakwana kuti isazviparadze (iwe unozonzwa zvakare ichinzi "inotonhorera"). Inogara ichitenderera mukamuri yako yeinjini, inotakura zvakakwana zvekupisa kunokonzerwa nekupisa kwese uye inoenda kune radiator uko inotonhodzwa nemhepo yekunze. Kumwe kupisa uku kunoshandiswawo kudziyisa mhepo, zvichiita kuti mukati memotokari yako muve munyoro uye mugadzikane. 

Injini dzemotokari dzekutanga dzaingoshandisa mvura kutonhodza makamuri avo, asi H20 yakanaka yekare yakaratidza kusanyanya kushanda uye zvakare chikonzero chemusoro wechando wakawanda. Kungofanana nepombi isina kudzivirirwa pahusiku hwechando hunotonhora, kana radiator yako izere nemvura chete, inotonhora uye inoputika. Zvadaro, paunotanga injini, haugoni kutonhora kusvikira mvura yanyunguduka, uye iwe zvechokwadi haugoni kuwana chero mushure mokunge ichibuda kunze kwegeji rako richangobva kuumbwa muradiator yako.  

Mhinduro? Antifreeze. Pasinei nezita rayo rakaputika, iyi mvura inokosha haingodziviriri motokari yako kubva kune chando chechando. Inodzivirirawo radiator kuvira pamusoro pemazuva ekupisa kwezhizha nekuda kwekugona kwayo kudzikisa nzvimbo yekutonhora kwemvura uye kusimudza nzvimbo yekuvira kwayo.

Migwagwa yechando uye injini dzemotokari: zvakafanana kupfuura zvaunofunga

Mumamiriro ayo echisikigo, mvura inogwamba pa32 F uye inofashaira pa212 F. Kana tichiita munyu mumugwagwa pamberi pechando kana dutu rechando, munyu nemvura zvinosangana kugadzira mvura itsva (mvura yemunyu) ine chando chinopisa chinenge 20 F pasi. . kupfuura mvura yakachena (muchiyero cheFahrenheit chepakutanga, 0 ndiyo yaive nzvimbo inotonhora yemvura yegungwa, 32 ndiyo yaive nzvimbo yechando yemvura yakachena, asi iyo yakashandurwa nechikonzero chakati, hatina nguva yekupinda mazviri). Nokudaro, apo dutu remuchando rinouya uye sinou kana kuti mvura inotonhora zvikuru inopinda mumugwagwa, mvura nomunyu zvinosangana uye mvura ine munyu inoyerera inoyerera yakachengeteka. Zvisinei, kusiyana nemigwagwa, injini yako haigoni kumira nguva dzose yemvura yemunyu. Ichaita ngura nokukurumidza, sesimbi isina chinhu pamahombekombe egungwa. 

Pinda ethylene glycol. Semunyu, unobatana nemvura kuti uumbe mvura itsva. Kupfuura munyu, mvura itsva iyi haizoonde kusvika tembiricha yadzika kusvika pa 30 F pasi pe zero (62 F yakaderera pane mvura) uye haifashaiki kusvika yarova 275 F. Uyezve, haizokuvadzi injini yako. Mukuwedzera, inoshanda semafuta, inowedzera hupenyu hwepombi yemvura yemotokari yako. 

Chengetedza injini yako mu "Goldilocks zone"

Mumamiriro okunze anodziya kana kuti nzendo refu, injini inogona kupisa zvokuti zvishoma zveantifreeze zvinobuda. Nekufamba kwenguva, utsi hudiki uhwu hunogona kuguma nekushambidzika kwekutonhodza kudiki kutenderedza injini yako, kupisa zvakanyanya, uyezve kumonyoroka, kuputa kwesimbi pasi pehodhi paimbova injini yako.

Kuve nechokwadi chekuti injini yako inogara iri muchimiro chakanaka - haina kupisa zvakanyanya uye isingatonhore zvakanyanya - tinotarisa antifreeze yako pese paunouya kuzochinja oiri kana chero imwe sevhisi. Kana ichida kukwidziridzwa zvishoma, isu tichafara kuiwedzera. Uye sezvo, sezvese zvinopisa nekutonhodza, kupisa nekutonhodza, antifreeze inopera zuva nezuva, tinokurudzira kutonhorera kwese kwese kwese kwemakore matatu-3.

Dzokera kune zviwanikwa